#banner {
  width: 1240px;
  height: 500px;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 98;
}

#banner img {
  width: 100%;
}

#banner .bannerList {
  position: absolute;
  left: 0;
  bottom: 20px;
  padding-left: 250px;
  z-index: 2;
  width: 100%;
  text-align: center;
}

#banner .bannerList span {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  cursor: pointer;
  margin-right: 15px;
}

#banner .bannerList .page {
  background: #fff;
}

#banner .left {
  width: 44px;
  height: 44px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  border-radius: 50%;
  position: absolute;
  top: 228px;
  left: 270px;
  z-index: 2;
  text-align: center;
  line-height: 44px;
  transition: all .5s;
  cursor: pointer;
  user-select: none;
}

#banner .right {
  width: 44px;
  height: 44px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  border-radius: 50%;
  position: absolute;
  top: 228px;
  right: 20px;
  z-index: 2;
  text-align: center;
  line-height: 44px;
  transition: all .5s;
  cursor: pointer;
  user-select: none;
}
